如图,线段
,
相交于点A,
,若
,则
的长为( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c436f108fd4921dae15ecff19270237e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaa8a0bce72b218d216acb1c038e04b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/7/65411e6e-40fe-4774-be88-7f01d594d7e9.png?resizew=159)
A.3 | B.4 | C.5 | D.6 |
更新时间:2023-11-07 16:08:35
|
【知识点】 相似三角形的判定与性质综合
相似题推荐
单选题
|
适中
(0.65)
【推荐1】如图,在等边三角形
中,
、
分别为
、
上的点,且
,
、
相交于点
,
,垂足为
.则
的值是( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c503e29373e8d87134bdb46bd3912910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c39d2c88a214e6daeb62ddba4686b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54af17c28f75f52e015531a115575608.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/25/9909343e-99a3-4218-81f6-ce737b9efd04.jpg?resizew=127)
A.2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】如图,D是等边△ABC边AB上的一点,且AD:DB=2:3,现将△ABC折叠,使点C与D重合,折痕为EF,点E,F分别在AC和BC上,则CE:CF=( )
![](https://img.xkw.com/dksih/QBM/2020/10/16/2571995132157952/2573480860155904/STEM/e1423b8c621c495c8f1408f1c2e40388.png?resizew=149)
![](https://img.xkw.com/dksih/QBM/2020/10/16/2571995132157952/2573480860155904/STEM/e1423b8c621c495c8f1408f1c2e40388.png?resizew=149)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次